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Finding the Fourth Proportional to 238,825.80, 329,572.62 and 131,395.80

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Solution

The fourth proportional to 238,825.80, 329,572.62 and 131,395.80 is: 181,322.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,825.80 : 329,572.62 = 131,395.80 : x
  2. Step 2: Convert to fraction form
    238,825.80/329,572.62 = 131,395.80/x
  3. Step 3: Cross multiply
    238,825.80x = 329,572.62 × 131,395.80
  4. Step 4: Simplify right side
    238,825.80x = 43,304,458,063.00
  5. Step 5: Solve for x
    x = 43,304,458,063.00/238,825.80
  6. Step 6: Final answer
    x = 181,322.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.